01 n. The act of one who traces; especially, the act of copying by marking on thin paper, or other transparent substance, the lines of a pattern …
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1.
The act of one who traces; especially, the act of copying by marking on thin paper, or other transparent substance, the lines of a pattern placed beneath; also, the copy thus producted.
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2.
A regular path or track; a course.
Phrases & compounds
Tracing cloth —
specially prepared transparent cloth or paper, which enables a drawing or print to be clearly seen through it, and so allows the use of a pen or pencil to produce a facsimile by following the lines of the original placed beneath.